OK, you've got 2 listboxes: lstBox1 and lstBox2 (for example)
You'll want to do something like this:
VB Code:
For i = 0 To lstBox1.ListCount - 1 if i = 0 then lstBox2.AddItem "0.00" else lstBox2.AddItem lstBox2.List(i-1) + lstBox1.List(i) end if Next
And you'll want to put that in the lstBox1_Change event.
Or something like that... I didn't test that. You get the idea?




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